ONOS-3704 - Cleaning up Maven build warning messages and cleaning up some versions of thirdparty libraries.

Change-Id: Id578e10713d41b6c02e92cb2c6e17a4da0787b52
diff --git a/apps/optical/pom.xml b/apps/optical/pom.xml
index 9b273cd..50da547 100644
--- a/apps/optical/pom.xml
+++ b/apps/optical/pom.xml
@@ -53,6 +53,7 @@
             <groupId>com.fasterxml.jackson.core</groupId>
             <artifactId>jackson-annotations</artifactId>
             <scope>provided</scope>
+            <version>${jackson.version}</version>
         </dependency>
         <dependency>
             <groupId>org.onosproject</groupId>
@@ -62,11 +63,9 @@
         <dependency>
             <groupId>com.fasterxml.jackson.core</groupId>
             <artifactId>jackson-databind</artifactId>
+            <version>${jackson.version}</version>
         </dependency>
-        <dependency>
-            <groupId>com.fasterxml.jackson.core</groupId>
-            <artifactId>jackson-annotations</artifactId>
-        </dependency>
+
     </dependencies>
 
 </project>